Caltest Contact  Information

EMAIL US

1885 North Kelly Road
Napa, California 94558

Phone: 707.258.4000

Business Hours: Monday – Friday, 8am – 5pm PST

The lab is closed in recognition of the following holidays:

  • New Year’s Day
  • President’s Day
  • Memorial Day
  • Independence Day
  • Labor Day
  • Thanksgiving Day
  • Christmas Day